/Engine/Source/Runtime/SlateCore/Public/Widgets/DeclarativeSyntaxSupport.h
[WidgetArgsType](API\Runtime\SlateCore\Widgets\TSlateBaseNamedArgs\WidgetArgsType) & Visibility ( [TAttribute](API\Runtime\Core\Misc\TAttribute)< [EVisibility](API\Runtime\SlateCore\Layout\EVisibility) > InAttribute )